APA Style

Frazier, L. (2004). NorthStar 2: Listening and speaking (Ed.3). New York: Pearson Longman Asia ELT.

MLA Style

Frazier, Laurie. "NorthStar 2: Listening and speaking". Ed.3 New York: Pearson Longman Asia ELT, 2004. Buku SMA Athalia.